RT9172N-33CM5 Richtek Technology Corporation, RT9172N-33CM5 Datasheet

RT9172N-33CM5

Manufacturer Part Number

RT9172N-33CM5

Description

Manufacturer

Richtek Technology Corporation

Datasheets

1.RT9172-25CG.pdf (16 pages)

2.RT9172N-33CM5.pdf (16 pages)

Specifications of RT9172N-33CM5

Date_code

05+

Packing_info

SOT-263-5

Current page: 1 of 16
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General Description

The RT9172 series of low-dropout linear regulators

operate from a +2.25V to +6.0V input supply. A wide

range of preset output voltage options is available.

These low dropout linear regulators respond very

fast to step changes in load, which are suitable for

low

RT9172 uses an internal PMOS as the pass device,

which does not cause extra GND current in heavy

load and dropout condition. The shutdown mode of

low operation current makes the IC suitable for

power-saving systems. The other features include

current limiting and over temperature protection.

Ordering Information

RT9172 -

DS9172-03 April 2002

voltage

microprocessor

Operating temperature range

S: Pin out exchange

N : Pin 5 bond sense

F : Pin 5 bond flg

Package type

T5 : TO-220-5

M5 : TO-263-5

T : TO-220

M : TO-263

G : SOT-223

C: Commercial standard

Output voltage

15 : 1.5V

16 : 1.6V

32 : 3.2V

33 : 3.3V

applications.

3A Fixed Output Voltage LDO Regulator

The

Preliminary

Features

Applications

Pin Configurations

Part Number

RT9172-

(Plastic TO-220)

RT9172-

(Plastic TO-263)

RT9172-

(Plastic SOT-223)

Microprocessor Power Supplies

GTL, GTL+, BTL, and SSTL Bus Terminators

Power Supplies for DSPs

SCSI Terminator

Post Regulators

High Efficiency Linear Regulators

Battery Chargers

Other Battery Powered Applications

Low Dropout Voltage

Low Ground Pin Current

Load Regulation of 0.4% at 3A

0.5µ µ µ µ A Quiescent Current in Shutdown Mode

Guaranteed Output Current of 3A DC

Available in TO-263 and TO-220 Packages

Output Voltage Accuracy ± ± ± ± 1.5%

Error Flag Indicates Output Status

Sense Option Improves Better Load Regulation

Extremely Low Output Capacitor Requirements

Over-temperature/Over-current Protection

Pin Configurations

1 2 3

www.richtek-ic.com.tw

To be continued

RT9172

1. VIN

2. GND (TAB)

3. VOUT

1. VIN

2. GND (TAB)

3. VOUT

1. VIN

2. GND (TAB)

3. VOUT

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